Security key
023111404
- Security type / class
- Equity / SPONSORED ADR
- Total 13F shares
- 4,534,419
- Total 13F value
- $63,548,927
- Share change
- +526,839
- Put/Call ratio
- 0%
- SEC-reported price per share
- $13.96
- Number of holders
- 80
- Value change
- +$7,247,128
- Number of buys
- 31
- Number of sells
- 35
Open additional details 1 more signal available
Report period
Q4 2025
Institutions
80
Top holders
10
AMRN full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
AMARIN CORP PLC\UK SEC filings
AMARIN CORP PLC\UK company facts
Broader feeds
Reporting periods
Holder history for CUSIP 023111404
Recent filing periods:
Ownership snapshot
Top reported holders of AMRN - AMARIN CORP PLC\UK - SPONSORED ADR (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Sarissa Capital Managemen...
Disclosed value leader
Sarissa Capital Managemen...
Comparable rows
0/15
Latest evidence
30 Sep 2025
13F
3/4/5
Highest disclosed value: $20,352,592
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Sarissa Capital Management LP has the largest disclosed position value at $20.35M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Sarissa Capital Management LP's linked filing trail.
Disclosed position value
Top 5
Sarissa Capital Management LP
$20.35M
Kynam Capital Management, LP
$9.44M
ACADIAN ASSET MANAGEMENT LLC
$7.46M
MORGAN STANLEY
$4.42M
John F. Thero
$3.55M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Sarissa Capital Management LP |
13F
Company
|
—
class O/S missing
|
$20,352,592
1,242,527 shares
|
— | 30 Sep 2025 |
| Kynam Capital Management, LP |
13F
Company
|
—
class O/S missing
|
$9,436,698
576,111 shares
|
— | 30 Sep 2025 |
| ACADIAN ASSET MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$7,462,000
456,580 shares
|
— | 30 Sep 2025 |
| MORGAN STANLEY |
13F
Company
|
—
class O/S missing
|
$4,417,079
269,663 shares
|
— | 30 Sep 2025 |
| John F. Thero |
3/4/5
President and CEO, Director
|
—
mixed-class rows
|
$3,545,500
3,266,224 shares
mixed-class rows
|
— | 30 Jul 2021 |
| Michael Torok |
3/4/5
Director
|
—
class O/S missing
|
$3,152,500
4,850,000 shares
|
— | 03 Apr 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
80
Shares
4,534,419
Rows available
80
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
90
Q4 2025 holders
80
Holder diff
-10
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend